<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
      /*.something-meaningful {
        background: #655;
        padding: .8em;
      }

      .something-meaningful > div {
        background: tan;
        border-radius: .8em;
        padding: 1em;
      }*/

      div {
        /*outline: .6em solid #655;*/
        box-shadow: 0 0 0 .4em #655;

        max-width: 10em;
        border-radius: .8em;
        padding: 1em;
        margin: 3em;
        background: tan;
        font: 100%/1.5 sans-serif;
      }
    </style>
</head>
<body>
    <!--<div class="something-meaningful">
      <div>I have a nice subtle inner rounding, don’t I look pretty?</div>
    </div>-->

    <div>I have a nice subtle inner rounding, don’t I look pretty?</div>
</body>
</html>